/**
 * Created by JetBrains PhpStorm.
 * User: taoqili
 * Date: 12-2-20
 * Time: 上午11:19
 * To change this template use File | Settings | File Templates.
 */

(function () {
    var video = {},
        uploadVideoList = [],
        isModifyUploadVideo = false,
        uploadFile

    window.onload = function () {
        $focus($G("videoUrl"))
        initTabs()
        initVideo()
        initUpload()
    }

    /* 初始化tab标签 */
    function initTabs () {
        var tabs = $G('tabHeads').children
        for (var i = 0; i < tabs.length; i++) {
            domUtils.on(tabs[i], "click", function (e) {
                var j, bodyId, target = e.target || e.srcElement
                for (j = 0; j < tabs.length; j++) {
                    bodyId = tabs[j].getAttribute('data-content-id')
                    if (tabs[j] == target) {
                        domUtils.addClass(tabs[j], 'focus')
                        domUtils.addClass($G(bodyId), 'focus')
                    } else {
                        domUtils.removeClasses(tabs[j], 'focus')
                        domUtils.removeClasses($G(bodyId), 'focus')
                    }
                }
            })
        }
    }

    function initVideo () {
        createAlignButton(["videoFloat", "upload_alignment"])
        addUrlChangeListener($G("videoUrl"))
        addOkListener();

        //编辑视频时初始化相关信息
        (function () {
            var img = editor.selection.getRange().getClosedNode(), url
            if (img && img.className) {
                var hasFakedClass = (img.className == "edui-faked-video"),
                    hasUploadClass = img.className.indexOf("edui-upload-video") != -1
                if (hasFakedClass || hasUploadClass) {
                    $G("videoUrl").value = url = img.getAttribute("_url")
                    $G("videoWidth").value = img.width
                    $G("videoHeight").value = img.height
                    var align = domUtils.getComputedStyle(img, "float"),
                        parentAlign = domUtils.getComputedStyle(img.parentNode, "text-align")
                    updateAlignButton(parentAlign === "center" ? "center" : align)
                }
                if (hasUploadClass) {
                    isModifyUploadVideo = true
                }
            }
            createPreviewVideo(url)
        })()
    }

    /**
     * 监听确认和取消两个按钮事件，用户执行插入或者清空正在播放的视频实例操作
     */
    function addOkListener () {
        dialog.onok = function () {
            $G("preview").innerHTML = ""
            var currentTab = findFocus("tabHeads", "tabSrc")
            switch (currentTab) {
                case "video":
                    return insertSingle()
                case "videoSearch":
                    return insertSearch("searchList")
                case "upload":
                    return insertUpload()
            }
        }
        dialog.oncancel = function () {
            $G("preview").innerHTML = ""
        }
    }

    /**
     * 依据传入的align值更新按钮信息
     * @param align
     */
    function updateAlignButton (align) {
        var aligns = $G("videoFloat").children
        for (var i = 0, ci; ci = aligns[i++];) {
            if (ci.getAttribute("name") == align) {
                if (ci.className != "focus") {
                    ci.className = "focus"
                }
            } else {
                if (ci.className == "focus") {
                    ci.className = ""
                }
            }
        }
    }

    /**
     * 将单个视频信息插入编辑器中
     */
    function insertSingle () {
        var width = $G("videoWidth"),
            height = $G("videoHeight"),
            url = $G('videoUrl').value,
            align = findFocus("videoFloat", "name")
        if (!url) return false
        if (!checkNum([width, height])) return false
        editor.execCommand('insertvideo', {
            url: convert_url(url),
            width: width.value,
            height: height.value,
            align: align
        }, isModifyUploadVideo ? 'upload' : null)
    }

    /**
     * 将元素id下的所有代表视频的图片插入编辑器中
     * @param id
     */
    function insertSearch (id) {
        var imgs = domUtils.getElementsByTagName($G(id), "img"),
            videoObjs = []
        for (var i = 0, img; img = imgs[i++];) {
            if (img.getAttribute("selected")) {
                videoObjs.push({
                    url: img.getAttribute("ue_video_url"),
                    width: 420,
                    height: 280,
                    align: "none"
                })
            }
        }
        editor.execCommand('insertvideo', videoObjs)
    }

    /**
     * 找到id下具有focus类的节点并返回该节点下的某个属性
     * @param id
     * @param returnProperty
     */
    function findFocus (id, returnProperty) {
        var tabs = $G(id).children,
            property
        for (var i = 0, ci; ci = tabs[i++];) {
            if (ci.className == "focus") {
                property = ci.getAttribute(returnProperty)
                break
            }
        }
        return property
    }
    function convert_url (url) {
        if (!url) return ''
        url = utils.trim(url)
            .replace(/v\.youku\.com\/v_show\/id_([\w\-=]+)\.html/i, 'player.youku.com/player.php/sid/$1/v.swf')
            .replace(/(www\.)?youtube\.com\/watch\?v=([\w\-]+)/i, "www.youtube.com/v/$2")
            .replace(/youtu.be\/(\w+)$/i, "www.youtube.com/v/$1")
            .replace(/v\.ku6\.com\/.+\/([\w\.]+)\.html.*$/i, "player.ku6.com/refer/$1/v.swf")
            .replace(/www\.56\.com\/u\d+\/v_([\w\-]+)\.html/i, "player.56.com/v_$1.swf")
            .replace(/www.56.com\/w\d+\/play_album\-aid\-\d+_vid\-([^.]+)\.html/i, "player.56.com/v_$1.swf")
            .replace(/v\.pps\.tv\/play_([\w]+)\.html.*$/i, "player.pps.tv/player/sid/$1/v.swf")
            .replace(/www\.letv\.com\/ptv\/vplay\/([\d]+)\.html.*$/i, "i7.imgs.letv.com/player/swfPlayer.swf?id=$1&autoplay=0")
            .replace(/www\.tudou\.com\/programs\/view\/([\w\-]+)\/?/i, "www.tudou.com/v/$1")
            .replace(/v\.qq\.com\/cover\/[\w]+\/[\w]+\/([\w]+)\.html/i, "static.video.qq.com/TPout.swf?vid=$1")
            .replace(/v\.qq\.com\/.+[\?\&]vid=([^&]+).*$/i, "static.video.qq.com/TPout.swf?vid=$1")
            .replace(/my\.tv\.sohu\.com\/[\w]+\/[\d]+\/([\d]+)\.shtml.*$/i, "share.vrs.sohu.com/my/v.swf&id=$1")

        return url
    }

    /**
      * 检测传入的所有input框中输入的长宽是否是正数
      * @param nodes input框集合，
      */
    function checkNum (nodes) {
        for (var i = 0, ci; ci = nodes[i++];) {
            var value = ci.value
            if (!isNumber(value) && value) {
                alert(lang.numError)
                ci.value = ""
                ci.focus()
                return false
            }
        }
        return true
    }

    /**
     * 数字判断
     * @param value
     */
    function isNumber (value) {
        return /(0|^[1-9]\d*$)/.test(value)
    }

    /**
      * 创建图片浮动选择按钮
      * @param ids
      */
    function createAlignButton (ids) {
        for (var i = 0, ci; ci = ids[i++];) {
            var floatContainer = $G(ci),
                nameMaps = { "none": lang['default'], "left": lang.floatLeft, "right": lang.floatRight, "center": lang.block }
            for (var j in nameMaps) {
                var div = document.createElement("div")
                div.setAttribute("name", j)
                if (j == "none") div.className = "focus"
                div.style.cssText = "background:url(images/" + j + "_focus.jpg);"
                div.setAttribute("title", nameMaps[j])
                floatContainer.appendChild(div)
            }
            switchSelect(ci)
        }
    }

    /**
     * 选择切换
     * @param selectParentId
     */
    function switchSelect (selectParentId) {
        var selects = $G(selectParentId).children
        for (var i = 0, ci; ci = selects[i++];) {
            domUtils.on(ci, "click", function () {
                for (var j = 0, cj; cj = selects[j++];) {
                    cj.className = ""
                    cj.removeAttribute && cj.removeAttribute("class")
                }
                this.className = "focus"
            })
        }
    }

    /**
     * 监听url改变事件
     * @param url
     */
    function addUrlChangeListener (url) {
        if (browser.ie) {
            url.onpropertychange = function () {
                createPreviewVideo(this.value)
            }
        } else {
            url.addEventListener("input", function () {
                createPreviewVideo(this.value)
            }, false)
        }
    }

    /**
     * 根据url生成视频预览
     * @param url
     */
    function createPreviewVideo (url) {
        if (!url) return

        var conUrl = convert_url(url)

        $G("preview").innerHTML = '<div class="previewMsg"><span>' + lang.urlError + '</span></div>' +
            '<embed class="previewVideo" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer"' +
            ' src="' + conUrl + '"' +
            ' width="' + 420 + '"' +
            ' height="' + 280 + '"' +
            ' wmode="transparent" play="true" loop="false" menu="false" allowscriptaccess="never" allowfullscreen="true" >' +
            '</embed>'
    }


    /* 插入上传视频 */
    function insertUpload () {
        var videoObjs = [],
            uploadDir = editor.getOpt('videoUrlPrefix'),
            width = $G('upload_width').value || 420,
            height = $G('upload_height').value || 280,
            align = findFocus("upload_alignment", "name") || 'none'
        for (var key in uploadVideoList) {
            var file = uploadVideoList[key]
            videoObjs.push({
                url: uploadDir + file.url,
                width: width,
                height: height,
                align: align
            })
        }

        var count = uploadFile.getQueueCount()
        if (count) {
            $('.info', '#queueList').html('<span style="color:red;">' + '还有2个未上传文件'.replace(/[\d]/, count) + '</span>')
            return false
        } else {
            editor.execCommand('insertvideo', videoObjs, 'upload')
        }
    }

    /*初始化上传标签*/
    function initUpload () {
        uploadFile = new UploadFile('queueList')
    }


    /* 上传附件 */
    function UploadFile (target) {
        this.$wrap = target.constructor == String ? $('#' + target) : $(target)
        this.init()
    }
    UploadFile.prototype = {
        init: function () {
            this.fileList = []
            this.initContainer()
            this.initUploader()
        },
        initContainer: function () {
            this.$queue = this.$wrap.find('.filelist')
        },
        /* 初始化容器 */
        initUploader: function () {
            var _this = this,
                $ = jQuery,    // just in case. Make sure it's not an other libaray.
                $wrap = _this.$wrap,
                // 图片容器
                $queue = $wrap.find('.filelist'),
                // 状态栏，包括进度和控制按钮
                $statusBar = $wrap.find('.statusBar'),
                // 文件总体选择信息。
                $info = $statusBar.find('.info'),
                // 上传按钮
                $upload = $wrap.find('.uploadBtn'),
                // 上传按钮
                $filePickerBtn = $wrap.find('.filePickerBtn'),
                // 上传按钮
                $filePickerBlock = $wrap.find('.filePickerBlock'),
                // 没选择文件之前的内容。
                $placeHolder = $wrap.find('.placeholder'),
                // 总体进度条
                $progress = $statusBar.find('.progress').hide(),
                // 添加的文件数量
                fileCount = 0,
                // 添加的文件总大小
                fileSize = 0,
                // 优化retina, 在retina下这个值是2
                ratio = window.devicePixelRatio || 1,
                // 缩略图大小
                thumbnailWidth = 113 * ratio,
                thumbnailHeight = 113 * ratio,
                // 可能有pedding, ready, uploading, confirm, done.
                state = '',
                // 所有文件的进度信息，key为file id
                percentages = {},
                supportTransition = (function () {
                    var s = document.createElement('p').style,
                        r = 'transition' in s ||
                            'WebkitTransition' in s ||
                            'MozTransition' in s ||
                            'msTransition' in s ||
                            'OTransition' in s
                    s = null
                    return r
                })(),
                // WebUploader实例
                uploader,
                actionUrl = editor.getActionUrl(editor.getOpt('videoActionName')),
                fileMaxSize = editor.getOpt('videoMaxSize'),
                acceptExtensions = (editor.getOpt('videoAllowFiles') || []).join('').replace(/\./g, ',').replace(/^[,]/, '');;

            if (!WebUploader.Uploader.support()) {
                $('#filePickerReady').after($('<div>').html(lang.errorNotSupport)).hide()
                return
            } else if (!editor.getOpt('videoActionName')) {
                $('#filePickerReady').after($('<div>').html(lang.errorLoadConfig)).hide()
                return
            }

            uploader = _this.uploader = WebUploader.create({
                pick: {
                    id: '#filePickerReady',
                    label: lang.uploadSelectFile
                },
                swf: '../../third-party/webuploader/Uploader.swf',
                server: actionUrl,
                fileVal: editor.getOpt('videoFieldName'),
                duplicate: true,
                fileSingleSizeLimit: fileMaxSize,
                compress: false
            })
            uploader.addButton({
                id: '#filePickerBlock'
            })
            uploader.addButton({
                id: '#filePickerBtn',
                label: lang.uploadAddFile
            })

            setState('pedding')

            // 当有文件添加进来时执行，负责view的创建
            function addFile (file) {
                var $li = $('<li id="' + file.id + '">' +
                    '<p class="title">' + file.name + '</p>' +
                    '<p class="imgWrap"></p>' +
                    '<p class="progress"><span></span></p>' +
                    '</li>'),

                    $btns = $('<div class="file-panel">' +
                        '<span class="cancel">' + lang.uploadDelete + '</span>' +
                        '<span class="rotateRight">' + lang.uploadTurnRight + '</span>' +
                        '<span class="rotateLeft">' + lang.uploadTurnLeft + '</span></div>').appendTo($li),
                    $prgress = $li.find('p.progress span'),
                    $wrap = $li.find('p.imgWrap'),
                    $info = $('<p class="error"></p>').hide().appendTo($li),

                    showError = function (code) {
                        switch (code) {
                            case 'exceed_size':
                                text = lang.errorExceedSize
                                break
                            case 'interrupt':
                                text = lang.errorInterrupt
                                break
                            case 'http':
                                text = lang.errorHttp
                                break
                            case 'not_allow_type':
                                text = lang.errorFileType
                                break
                            default:
                                text = lang.errorUploadRetry
                                break
                        }
                        $info.text(text).show()
                    }

                if (file.getStatus() === 'invalid') {
                    showError(file.statusText)
                } else {
                    $wrap.text(lang.uploadPreview)
                    if ('|png|jpg|jpeg|bmp|gif|'.indexOf('|' + file.ext.toLowerCase() + '|') == -1) {
                        $wrap.empty().addClass('notimage').append('<i class="file-preview file-type-' + file.ext.toLowerCase() + '"></i>' +
                            '<span class="file-title">' + file.name + '</span>')
                    } else {
                        if (browser.ie && browser.version <= 7) {
                            $wrap.text(lang.uploadNoPreview)
                        } else {
                            uploader.makeThumb(file, function (error, src) {
                                if (error || !src || (/^data:/.test(src) && browser.ie && browser.version <= 7)) {
                                    $wrap.text(lang.uploadNoPreview)
                                } else {
                                    var $img = $('<img src="' + src + '">')
                                    $wrap.empty().append($img)
                                    $img.on('error', function () {
                                        $wrap.text(lang.uploadNoPreview)
                                    })
                                }
                            }, thumbnailWidth, thumbnailHeight)
                        }
                    }
                    percentages[file.id] = [file.size, 0]
                    file.rotation = 0

                    /* 检查文件格式 */
                    if (!file.ext || acceptExtensions.indexOf(file.ext.toLowerCase()) == -1) {
                        showError('not_allow_type')
                        uploader.removeFile(file)
                    }
                }

                file.on('statuschange', function (cur, prev) {
                    if (prev === 'progress') {
                        $prgress.hide().width(0)
                    } else if (prev === 'queued') {
                        $li.off('mouseenter mouseleave')
                        $btns.remove()
                    }
                    // 成功
                    if (cur === 'error' || cur === 'invalid') {
                        showError(file.statusText)
                        percentages[file.id][1] = 1
                    } else if (cur === 'interrupt') {
                        showError('interrupt')
                    } else if (cur === 'queued') {
                        percentages[file.id][1] = 0
                    } else if (cur === 'progress') {
                        $info.hide()
                        $prgress.css('display', 'block')
                    } else if (cur === 'complete') {
                    }

                    $li.removeClass('state-' + prev).addClass('state-' + cur)
                })

                $li.on('mouseenter', function () {
                    $btns.stop().animate({ height: 30 })
                })
                $li.on('mouseleave', function () {
                    $btns.stop().animate({ height: 0 })
                })

                $btns.on('click', 'span', function () {
                    var index = $(this).index(),
                        deg

                    switch (index) {
                        case 0:
                            uploader.removeFile(file)
                            return
                        case 1:
                            file.rotation += 90
                            break
                        case 2:
                            file.rotation -= 90
                            break
                    }

                    if (supportTransition) {
                        deg = 'rotate(' + file.rotation + 'deg)'
                        $wrap.css({
                            '-webkit-transform': deg,
                            '-mos-transform': deg,
                            '-o-transform': deg,
                            'transform': deg
                        })
                    } else {
                        $wrap.css('filter', 'progid:DXImageTransform.Microsoft.BasicImage(rotation=' + (~~((file.rotation / 90) % 4 + 4) % 4) + ')')
                    }

                })

                $li.insertBefore($filePickerBlock)
            }

            // 负责view的销毁
            function removeFile (file) {
                var $li = $('#' + file.id)
                delete percentages[file.id]
                updateTotalProgress()
                $li.off().find('.file-panel').off().end().remove()
            }

            function updateTotalProgress () {
                var loaded = 0,
                    total = 0,
                    spans = $progress.children(),
                    percent

                $.each(percentages, function (k, v) {
                    total += v[0]
                    loaded += v[0] * v[1]
                })

                percent = total ? loaded / total : 0

                spans.eq(0).text(Math.round(percent * 100) + '%')
                spans.eq(1).css('width', Math.round(percent * 100) + '%')
                updateStatus()
            }

            function setState (val, files) {

                if (val != state) {

                    var stats = uploader.getStats()

                    $upload.removeClass('state-' + state)
                    $upload.addClass('state-' + val)

                    switch (val) {

                        /* 未选择文件 */
                        case 'pedding':
                            $queue.addClass('element-invisible')
                            $statusBar.addClass('element-invisible')
                            $placeHolder.removeClass('element-invisible')
                            $progress.hide(); $info.hide()
                            uploader.refresh()
                            break

                        /* 可以开始上传 */
                        case 'ready':
                            $placeHolder.addClass('element-invisible')
                            $queue.removeClass('element-invisible')
                            $statusBar.removeClass('element-invisible')
                            $progress.hide(); $info.show()
                            $upload.text(lang.uploadStart)
                            uploader.refresh()
                            break

                        /* 上传中 */
                        case 'uploading':
                            $progress.show(); $info.hide()
                            $upload.text(lang.uploadPause)
                            break

                        /* 暂停上传 */
                        case 'paused':
                            $progress.show(); $info.hide()
                            $upload.text(lang.uploadContinue)
                            break

                        case 'confirm':
                            $progress.show(); $info.hide()
                            $upload.text(lang.uploadStart)

                            stats = uploader.getStats()
                            if (stats.successNum && !stats.uploadFailNum) {
                                setState('finish')
                                return
                            }
                            break

                        case 'finish':
                            $progress.hide(); $info.show()
                            if (stats.uploadFailNum) {
                                $upload.text(lang.uploadRetry)
                            } else {
                                $upload.text(lang.uploadStart)
                            }
                            break
                    }

                    state = val
                    updateStatus()

                }

                if (!_this.getQueueCount()) {
                    $upload.addClass('disabled')
                } else {
                    $upload.removeClass('disabled')
                }

            }

            function updateStatus () {
                var text = '', stats

                if (state === 'ready') {
                    text = lang.updateStatusReady.replace('_', fileCount).replace('_KB', WebUploader.formatSize(fileSize))
                } else if (state === 'confirm') {
                    stats = uploader.getStats()
                    if (stats.uploadFailNum) {
                        text = lang.updateStatusConfirm.replace('_', stats.successNum).replace('_', stats.successNum)
                    }
                } else {
                    stats = uploader.getStats()
                    text = lang.updateStatusFinish.replace('_', fileCount).
                        replace('_KB', WebUploader.formatSize(fileSize)).
                        replace('_', stats.successNum)

                    if (stats.uploadFailNum) {
                        text += lang.updateStatusError.replace('_', stats.uploadFailNum)
                    }
                }

                $info.html(text)
            }

            uploader.on('fileQueued', function (file) {
                fileCount++
                fileSize += file.size

                if (fileCount === 1) {
                    $placeHolder.addClass('element-invisible')
                    $statusBar.show()
                }

                addFile(file)
            })

            uploader.on('fileDequeued', function (file) {
                fileCount--
                fileSize -= file.size

                removeFile(file)
                updateTotalProgress()
            })

            uploader.on('filesQueued', function (file) {
                if (!uploader.isInProgress() && (state == 'pedding' || state == 'finish' || state == 'confirm' || state == 'ready')) {
                    setState('ready')
                }
                updateTotalProgress()
            })

            uploader.on('all', function (type, files) {
                switch (type) {
                    case 'uploadFinished':
                        setState('confirm', files)
                        break
                    case 'startUpload':
                        /* 添加额外的GET参数 */
                        // 百度富文本接口 - 视频
                        var params = utils.serializeParam(editor.queryCommandValue('serverparam')) || ''
                        uploader.option('server', editor.getOpt("serverUrl"))
                        setState('uploading', files)
                        break
                    case 'stopUpload':
                        setState('paused', files)
                        break
                }
            })

            uploader.on('uploadBeforeSend', function (file, data, header) {
                //这里可以通过data对象添加POST参数
                if (actionUrl.toLowerCase().indexOf('jsp') != -1) {
                    header['X_Requested_With'] = 'XMLHttpRequest'
                }
            })

            uploader.on('uploadProgress', function (file, percentage) {
                var $li = $('#' + file.id),
                    $percent = $li.find('.progress span')

                $percent.css('width', percentage * 100 + '%')
                percentages[file.id][1] = percentage
                updateTotalProgress()
            })

            uploader.on('uploadSuccess', function (file, ret) {
                var $file = $('#' + file.id)
                try {
                    var responseText = (ret._raw || ret),
                        json = utils.str2json(responseText)
                    // json.state == 'SUCCESS'
                    if (json.code === 200) {
                        uploadVideoList.push({
                            'url': json.data.url
                        })
                        $file.append('<span class="success"></span>')
                    } else {
                        $file.find('.error').text(json.mag).show()
                    }
                } catch (e) {
                    $file.find('.error').text(lang.errorServerUpload).show()
                }
            })

            uploader.on('uploadError', function (file, code) {
            })
            uploader.on('error', function (code, file) {
                if (code == 'Q_TYPE_DENIED' || code == 'F_EXCEED_SIZE') {
                    addFile(file)
                }
            })
            uploader.on('uploadComplete', function (file, ret) {
            })

            $upload.on('click', function () {
                if ($(this).hasClass('disabled')) {
                    return false
                }

                if (state === 'ready') {
                    uploader.upload()
                } else if (state === 'paused') {
                    uploader.upload()
                } else if (state === 'uploading') {
                    uploader.stop()
                }
            })

            $upload.addClass('state-' + state)
            updateTotalProgress()
        },
        getQueueCount: function () {
            var file, i, status, readyFile = 0, files = this.uploader.getFiles()
            for (i = 0; file = files[i++];) {
                status = file.getStatus()
                if (status == 'queued' || status == 'uploading' || status == 'progress') readyFile++
            }
            return readyFile
        },
        refresh: function () {
            this.uploader.refresh()
        }
    }

})()